It's Monday, which means JetBlue has dropped their weekly batch of Twitter deals. These are good for one-way travel on Saturday, August 29. String together a return flight at full fare and you've still got yourself a good deal. Of course, there were a few routes where we found the return fare to be...meh...beyond high (ahem, Newark to Tampa/Orlando, we're looking at you), so we won't bother with posting those. Our picks are: